class_docstr: ImageSet wraps a set of ImageFeature
code: def __init__(self, jvalue, bigdl_type="float"):
      self.value = jvalue
      self.bigdl_type = bigdl_type
      if self.is_local():
          self.image_set = LocalImageSet(jvalue=self.value)
      else:
          self.image_set = DistributedImageSet(jvalue=self.value)
  
imports: from bigdl.transform.vision.image import ImageFrame
  from bigdl.util.common import *
  from zoo.common.utils import callZooFunc
label_desc: Use image node_id 1 to create a new ImageSet object from inherited base classes: JavaValue with example: obj = ImageSet(jvalue, bigdl_type)